/// <summary>
/// Handles when the overflow menu should be entirely destroyed
/// </summary>
/// <param name="sender">Sender of this Event</param>
/// <param name="e">Event arguments</param>
private void OverflowDestroyed(Object sender, EventArgs e)
{
//check we have the right type
if (sender.GetType() == typeof(ShengAddressBarDropDownButton))
{
//get the button as the right type
ShengAddressBarDropDownButton tsddb = (ShengAddressBarDropDownButton)sender;
//if the button is no longer visible
if (tsddb.Visible == false)
{
//clear all items from the overflow
//this._overflowButton.DropDown.Items.Clear();
this._overflowDropDown.Items.Clear();
}
}
}
/// <summary>
/// 创建指定地址栏项的子级（如果需要）
/// </summary>
/// <param name="button"></param>
private void BuildChildItem(ShengAddressBarButton button)
{
IShengAddressNode addressNode = button.AddressNode;
ShengAddressBarDropDownButton dropDownButton = null;
//SEAddressBarDropDown dropDown = null;
if (addressNode.Children != null && addressNode.Children.Length > 0)
{
dropDownButton = new ShengAddressBarDropDownButton(String.Empty);
button.DropDownButton = dropDownButton;
//check if we have any tag data (we cache already built drop down items in the node TAG data.
if (addressNode.DropDownMenu == null)
{
addressNode.DropDownMenu = GetButtonDropDown(addressNode);
}
else
{
if (addressNode.DropDownMenu.GetType() == typeof(ShengAddressBarDropDown))
{
//dropDown = (SEAddressBarDropDown)addressNode.DropDownMenu;
foreach (ShengAddressBarDropDownItem tsmi in addressNode.DropDownMenu.Items)
{
if (tsmi.Font.Style != _baseFont.Style)
{
tsmi.Font = _baseFont;
}
}
}
}
dropDownButton.DropDown = addressNode.DropDownMenu;
dropDownButton.DisplayStyle = ToolStripItemDisplayStyle.None;
dropDownButton.ImageAlign = ContentAlignment.MiddleCenter;
}
}